Reviewed by Anurag Mishra (Sr. Technical Consultant)
When it comes to the appearance of products, the most important aspect of appearance is the color of the product. The color contributes a major portion of the appearance and hence it is essential to ensure that the color of the products is of the best quality and level. To ensure that the color of the products is of the best quality and level, a colorimeter is used. The colorimeter is a device that is mainly used in industries and laboratories for analyzing the color quality of the products along with color measurement.
The colorimeters are highly sensitive devices that can measure the concentration and intensity of a particular color that is used in a product. There are mainly two different types of colorimeters that are used in industries the TP 110 portable colorimeter and the Spectrophotometer TP 800.
The color densitometers measure the color density of primary colors in a color combination in a test sample. The color photometers are used for measuring the reflectance of a color as well as the transmission.
Testronix is a leading colourimeter manufacturer in India and designs different quality colourimeters at the best and most affordable prices. Our Colorimeter has been designed as per industrial standards that make it easy for the manufacturers to conduct colour measurement tests on different materials accurately.
With Testronix colourimeter, manufacturers can easily ensure accurate and reliable test results.
The working of colorimeters is mainly based on the Beer-Lambert’s Law. This law states that the light absorption when passes through a medium are directly proportional to the concentration of the medium.
When a colorimeter is used, there is a ray of light with a certain wavelength is directed towards a solution. Before reaching the solution the ray of light passes through a series of different lenses. These lenses are used for navigation of the colored light in the colorimeter. The colorimeter analyzes the reflected light and compares with a predetermined standard. Then a microprocessor installed in the device is used for calculation of the absorbance of the light by the solution. If the absorption of the solution is higher than there will be more light absorbed by the solution and if the concentration of the solution is low then more lights will be transmitted through the solution.
To analyze the concentration of an unknown sample, there are several specimen prepared from the test sample and then tested using an efficient colorimeter. After analysis, the transmittance and concentration of the tested specimen are plotted on a graph to obtain a graphical representation of the concentration creating a calibration curve. This curve is then compared with the curve of a known sample, and the concentration is measured. Testronix colour measurement instruments help in accurate colour analysis.
Colourimeters have diverse applications across various industries, proving to be invaluable laboratory testing instruments for precise colour measurement and analysis. In quality control, colourimeters are frequently employed to ensure consistent colour in manufactured products, such as textiles, paints, and plastics.
Additionally, colourimeters are utilized in scientific research, particularly in fields like chemistry and biology, where accurate colour analysis is essential. Their versatility extends to clinical applications, where colourimeters are employed in medical diagnostics, such as blood testing and urine analysis. You can also read more on the importance of colour measurement in different industries. Testronix’s colourimeters can be used for measuring the carol concentration and intensity of a variety of materials such as:
The Testronix colorimeters offer high accuracy of test finding along with a high rate of repeatability which allows the manufacturers to ensure the best color quality and appearance of their products.
If you want to test the color accuracy of the product with the help of Testronix color measurement testing instruments then you can give us a call at +91 9313 140 140 or email us at info@testronixinstruments.com. Our team of technical experts will consult you regarding all your needs and queries.
FAQs:
A colorimeter is an instrument that is used to measure the intensity of specific colors in a solution by determining the amount of light absorbed or transmitted at specific wavelengths. A colorimeter works by shining light through a sample and measuring the intensity of light that passes through or is absorbed by the solution.
This data is used to determine the color concentration in the sample. A colorimeter ensures consistency in color across different devices and materials, making it an essential tool in industries where accurate color matching is crucial.
The working principle of a colorimeter is based on the Beer-Lambert Law, which states that the absorbance of light is directly proportional to the concentration of a substance in a solution.
Formula of colorimeter:
A = εcl:
A: is the absorbance of the solution
ε(epsilon): is molar absorptivity
c: is the concentration of the solution
l: is the distance traveled by light in solution
A specific wavelength of light is aimed through the sample solution. The solution’s light absorption is measured and compared to a standard. The colorimeter evaluates the amount of light absorbed at that specific wavelength, enabling it to determine the concentration of the substance.
Higher absorbance correlates with higher concentration, while lower absorbance indicates lower concentration. This technique provides accurate quantification of substances in a solution.
Colorimeters are used in various fields and industries for different types of applications. Here are some uses of colorimeter:
Here are the major differences between a colorimeter and a spectrometer:
A colorimeter is an instrument used to measure color by capturing light at specific wavelengths through filters that capture the red, green, and blue (RGB) components. It provides an estimate of color by analyzing these channels to calculate color values like CIE Lab, RGB, or CMYK.
A spectrophotometer measures color by capturing all wavelengths of light across a broad spectrum. It provides a detailed spectral analysis by measuring reflectance or transmittance at each wavelength, giving more accurate and nuanced data about color.
The applications of a colorimeter are wide and applied in many industries. Here are some applications of a colorimeter:
A digital colorimeter is an advanced version of the typical colorimeter that uses digital technology to provide precise readings. It calculates absorbance or transmittance digitally and displays the results on a readable screen.
Digital colorimeters have features like memory storage for past measurements, data transfer options, and greater accuracy. Digital colorimeters are used in industries where accuracy and simple data handling are crucial, such as quality control, scientific research, and manufacturing.
A colorimeter is an instrument that is used to measure the intensity of specific colors in a solution by determining the amount of light absorbed or transmitted at specific wavelengths.
Here’s how you can use a colorimeter:
+91 9313 140 140 
info@testronixinstruments.com
